Author

A. Gheorghe

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Open access Jul 2026

Cost-Sensitive Stacking Ensemble with Hybrid Feature Selection for Rare Attack Detection in Network Intrusion Detection Systems

The results show that cost-sensitive learning is a simple and practical mechanism for improving rare-attack visibility, but also reveal a remaining limitation for R2L detection, where feature overlap with Normal traffic remains substantial.

I. C. Sălișteanu, I. Udroiu, A. Gheorghe et al. · Electronics · 0 citations